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A 40-year-old member asked:

Can i take an antihistamine and a decongestant at the same time?

1 doctor answer2 doctors weighed in
Dr. Michael Zacharisen
Allergy and Immunology 33 years experience
Yes: Many allergy medications already combine an antihistamine with a decongestant. These include Claritin (loratadine) d, Allegra d, zyrtec d, etc. The d stands for decongestant.

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A female asked:

Do antihistamines and decongestants cancel each other out if taken at the same time?

2 doctor answers2 doctors weighed in
Dr. John Chiu
Allergy and Immunology 57 years experience
No: Since antihistamine does not provide decongestion (although it does reduce itching, runny nose, and sneezing), it is often combined with a decongestant. Overall ,nasal steroid works much better than these pills.

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Last updated Sep 12, 2017

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